From c6820a9476f4c7440dfd8c8e8fc60048683fce86 Mon Sep 17 00:00:00 2001
From: AC <ac@fabtek.cn>
Date: Thu, 15 Oct 2026 15:43:29 +0800
Subject: [PATCH] Include Python runtime in CLI version output

---
 README.md         |  4 ++++
 pylsp/__main__.py |  6 +++++-
 test/test_main.py | 23 +++++++++++++++++++++++
 3 files changed, 32 insertions(+), 1 deletion(-)
 create mode 100644 test/test_main.py

diff --git a/README.md b/README.md
index 6f6cb19b..c3a0805d 100644
--- a/README.md
+++ b/README.md
@@ -76,6 +76,10 @@ Only on Alpine Linux the package is named differently. You can install it there
 apk add py3-lsp-server
 ```
 
+Run `pylsp --version` (or `pylsp -V`) to see both the server version and the
+Python version running it. This reports the server runtime, which may differ
+from the interpreter or target Python version configured for individual plugins.
+
 ### 3rd Party Plugins
 
 Installing these plugins will add extra functionality to the language server:
diff --git a/pylsp/__main__.py b/pylsp/__main__.py
index 760f8829..f8cb6194 100644
--- a/pylsp/__main__.py
+++ b/pylsp/__main__.py
@@ -4,6 +4,7 @@
 import argparse
 import logging
 import logging.config
+import platform
 import sys
 import time
 
@@ -63,7 +64,10 @@ def add_arguments(parser) -> None:
     )
 
     parser.add_argument(
-        "-V", "--version", action="version", version="%(prog)s v" + __version__
+        "-V",
+        "--version",
+        action="version",
+        version=f"%(prog)s v{__version__} (Python {platform.python_version()})",
     )
 
 
diff --git a/test/test_main.py b/test/test_main.py
new file mode 100644
index 00000000..fbc7b793
--- /dev/null
+++ b/test/test_main.py
@@ -0,0 +1,23 @@
+# Copyright 2021- Python Language Server Contributors.
+
+import platform
+import subprocess
+import sys
+
+import pytest
+
+from pylsp._version import __version__
+
+
+@pytest.mark.parametrize("flag", ["--version", "-V"])
+def test_version_includes_python_runtime(flag):
+    result = subprocess.run(
+        [sys.executable, "-m", "pylsp", flag],
+        capture_output=True,
+        text=True,
+        check=True,
+        timeout=10,
+    )
+    assert f"v{__version__}" in result.stdout
+    assert f"Python {platform.python_version()}" in result.stdout
+    assert result.stderr == ""